Element block pseudo-class :active generated with background transition font-weight normal display block box-shadow 1px 1px 1px rgba(0,0,0,0.3) height auto box-sizing content-box z-index auto text-shadow 1px 1px 1px rgba(0,0,0,0.2) transform padding 20px width 160px line-height 1 overflow hidden position static cursor default float none border 0px rgba(0,0,0,1) solid border-radius margin 0px font-size 16px